Finding the Fourth Proportional to 18,154,714.20, 27,204,077.70 and 15,747,264.60
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Solution
The fourth proportional to 18,154,714.20, 27,204,077.70 and 15,747,264.60 is: 23,596,615.46
Step by Step Solution
- Step 1: Write the proportion equation
18,154,714.20 : 27,204,077.70 = 15,747,264.60 : x - Step 2: Convert to fraction form
18,154,714.20/27,204,077.70 = 15,747,264.60/x - Step 3: Cross multiply
18,154,714.20x = 27,204,077.70 × 15,747,264.60 - Step 4: Simplify right side
18,154,714.20x = 428,389,809,740,859.38 - Step 5: Solve for x
x = 428,389,809,740,859.38/18,154,714.20 - Step 6: Final answer
x = 23,596,615.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.